Want to read Slashdot from your mobile device? Point it at m.slashdot.org and keep reading!

 



Forgot your password?
typodupeerror
Slashdot Deals: Prep for the CompTIA A+ certification exam. Save 95% on the CompTIA IT Certification Bundle ×
This discussion has been archived. No new comments can be posted.

Ideas

Comments Filter:
  • Active Digital Speaker:

    Digital value gets sent to the speaker.
    The position of the speaker diaphragm is read out to obtain a digital representation of the actual position.
    (this can be done using optics and hamming code, or some other means - e.g. interference patterns)
    The speaker compares the desired position with the actual position and moves the speaker cone/diaphragm till it reaches the desired position.

    Contrast with analog speakers - you send a voltage+current and the cone moves hopefully in the right wa

"But this one goes to eleven." -- Nigel Tufnel

Working...